24-25 Semester 1 Review

Atomic Structure

100

If the average atomic weight of calcium is 40.078, would calcium-40 or calcium-41 be the more common isotope?

Calcium-41

200

How many protons and neutrons does phosphorus-32 have?

Protons = 15

Neutrons = 17

300

Out of all of these elements, which will have the largest atomic radius?

In, S, Zr

Zr

400

What is the electron configuration of As (Atomic number 33)

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p³

OR

[Ar]4s²3d¹⁰4p³

500

Which scientist discovered the nucleus of the atom?

Rutherford

Chemical Formulas & Naming

100

What is a name for H₂O?

Water 

Dihydrogen monoxide

200

What would the formula for Rhodium (II) Chloride be?

RhCl₂

300

What would the name of BrF₃ be?

Bromine trifluoride

400

What would the formula be for ammonium carbonate be?

(NH₄)₂CO₃

500

What would the scientific name be for Cl₂O₇?

Dichlorine heptaoxide

Chemical Reactions

100

What are the 3 of the 5 types of reactions?

Synthesis

Decomposition

Single Replacement

Double Replacement

Combustion

200

Which type of reaction will have 1 reactant?

Decomposition

300

Find the missing mass.

55 g

400

Write down the numbers to balance out this chemical equation.

___ Al + ___O₂ --> ___Al₂O₃

4 Al + 3 O₂ --> 2 Al₂O₃

500

Write down the numbers to balance out this chemical equation. 

___ C₁₁H₂₄ + ___O₂ --> ___CO₂ + ___H₂O

C₁₁H₂₄ + 17 O₂ --> 11 CO₂ + 12 H₂O

Solutions Chemistry

100

What are 2 out of the 3 different levels of saturation in a solution?

Unsaturated

Saturated

Supersaturated

200

If a chemical contains the element sodium, will it be soluble or insoluble?

Soluble (Alkali metal/Capital N)

300

Is Cs₃PO₄ soluble or insoluble?

Soluble

400

At 100 °C, what is the maximum amount of KCl that can be dissolved in 100 grams of water?

60 g KCl

500

At 80 °C, would 20 g of KClO₃ in 100 g of water be considered saturated, unsaturated, or supersaturated?

Unsaturated

Acids & Bases

100

What pH is considered neutral?

7

200

Is the pH of 6.8 acidic, basic, or neutral?

Acidic

300

What is the main difference between strong and weak acids?

Strong acids fully dissociate/break apart.

Weak acids do not fully dissociate/break apart.

400

If the [H⁺] = 1.77 x 10^-6 M, what would the pH be?

5.75

-log(1.77 x 10^-6 M)

500

Using the image below, what would the name of the following acids be?

H(BrO₃) & HF

1. Bromic Acid

2. Hydrofluoric Acid

Are you smarter than a 5th grader?

100

List all 5 vowels in the English alphabet.

A, E, I, O, U

200

How many inches are in 1 yard?

36 inches

300

List 3 countries in Asia

China, Japan, India, Korea(s), etc.

400

From the water cycle, what is the process of water turning into water vapor called?

Evaporation

500

How many adjectives are in the following sentence?

The green car zoomed quickly through the old road.

2 adjectives

Green (car) & old (road)